import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: lucky
 * Date: 2022-09-05
 * Time: 14:14
 */
public class test2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s1 = sc.nextLine();
        while (sc.hasNext()){
            char[] arr1 = new char[256];

        }

    }
}
